Home / 7,666.44-11,500.76-3,969.08

Finding the Fourth Proportional to 7,666.44, 11,500.76 and 3,969.08

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Solution

The fourth proportional to 7,666.44, 11,500.76 and 3,969.08 is: 5,954.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666.44 : 11,500.76 = 3,969.08 : x
  2. Step 2: Convert to fraction form
    7,666.44/11,500.76 = 3,969.08/x
  3. Step 3: Cross multiply
    7,666.44x = 11,500.76 × 3,969.08
  4. Step 4: Simplify right side
    7,666.44x = 45,647,436.50
  5. Step 5: Solve for x
    x = 45,647,436.50/7,666.44
  6. Step 6: Final answer
    x = 5,954.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.